Thread: 3 x Telenegative Barlow Lens
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Old 15-03-2013, 08:50 PM
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rogerco (Roger)
Roger

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Join Date: Sep 2007
Location: Woodford,NSW,Australia
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3 x Telenegative Barlow Lens
I've seen the description "Meade #128 3 x Telenegative Barlow Lens" and similar a few times now. I understand what a 3x Barlow is but what is a " Telenegative Barlow" ?

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